Results 31 to 40 of about 7,012 (287)
Fatigue behaviour of threaded couplings : experimental research [PDF]
, 2010 In this article the fatigue behaviour of threaded connections is studied, as used in oil country tubular goods (OCTG). Some manufacturers have designed their own couplings (so called „premium connections‟) and they claim having an improved fatigue life ...
De Baets, Patrick +3 more
core +2 more sources
Gong-kuang zidonghuaIn mining roadways located between solid coal and small coal pillars, the problem of asymmetric floor heave is severe due to the influence of factors such as asymmetric support pressure, plastic deformation of small coal pillars, and weak floor strata ...
HUANG Yutong +3 more
doaj +1 more source
Miscellanea Hadriatica et Mediterranea, 2016 The relief depicting John the Evangelist which was once embedded in the Church of St. Jerome on Marjan is a palimpsest of a Roman funerary monument. Since the removal, it has been visible from all sides, and this paper first presents their description ...
Dražen Maršić
doaj +1 more source
Journal Bearing Design Types And Their Applications To Turbomachinery. [PDF]
, 1984 Tutorialpg. 179-190A review of several different types of hydrodynamic journal bearings that are commonly found in turbomachinery is presented. Emphasis is placed on the key geometric design parameters of each type.
Salamone, Dana J.
core +1 more source
High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
The Scientific World Journal, 2014 A new kind of subwavelength metal grating with relief structure is designed and analyzed, in which the shape of the grating lines is no longer a single rectangle, but a relief structure with multiple steps.
Zhongfei Wang +6 more
doaj +1 more source
Scientific Reports, 2023 Rectangular wave-shaped surface-relief plasmonic gratings (RSR-PGs) have been fabricated from a hybrid polymer by employing a simple nanoimprint photocuring lithography technique using a silicon template, followed by gold nanolayer metallization on top ...
Rahmat Hidayat +5 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti +11 more
wiley +1 more source
Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy
Advanced Engineering Materials, EarlyView.This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb +6 more
wiley +1 more source
Tracheal stenting under flexible bronchoscopy for large tracheoesophageal malignant lymphadenopathy
Lung India, 2017 A 67-year-old man with poorly controlled chronic obstructive pulmonary disease presented with progressive dysphagia and was diagnosed with locally advanced carcinoma of the esophagus.
Irfan Ismail Ayub +3 more
doaj +1 more source
Cystic Dystrophy of the Duodenum Due to Heterotopic Pancreas – A Case Report and Review of Literature [PDF]
Journal of Clinical and Diagnostic Research, 2016 Cystic Dystrophy and Heterotopic Pancreas (CDHP) is a rare cause of chronic pancreatitis, duodenal obstruction and obstructive jaundice. The diagnosis is often delayed and requires multimodal imaging with Computed Tomography (CT), Magnetic Resonance ...
Gunjan Shailesh Desai +2 more
doaj +1 more source